Sludge flocculation stirrer

Abstract

The utility model relates to a sludge flocculation stirrer, which is characterized in that a stirring device comprises a driving assembly which is arranged in a mixing cylinder and is used for rotating, and a stirring assembly which is used for stirring sludge in the mixing cylinder is arranged in the driving assembly; the scraping device comprises a scraping assembly which is arranged in the mixing cylinder and is used for scraping sludge on the inner wall of the mixing cylinder, and an adjusting assembly which is used for driving the scraping assembly to rotate around the inner wall of the mixing cylinder is arranged above the scraping assembly. Sludge and a flocculating agent are sequentially added into the mixing cylinder through a sludge inlet pipe; stirring rods synchronously rotate through a speed reducing motor, meanwhile, when a rotating shaft rotates, a connecting rod can synchronously rotate, and under the meshing connection between a gear and a ring tooth, the gear rotates around the ring tooth, so that a scraping plate can be driven to rotate around the inner wall of the mixing barrel, and residual sludge on the inner wall of the mixing barrel can fall into the mixing barrel again; and under the rotation of the stirring rod, the sludge and the flocculating agent are fully mixed and stirred.

Description

TECHNICAL FIELD

[0001] The utility model relates to sludge dewatering process technical field especially relates to a sludge flocculation agitator. BACKGROUND

[0002] A large amount of sludge will be produced in the industrial production process, so it is necessary to dewater the sludge to realize the purification of the sludge. Before sludge dewatering, sludge conditioning is required. Sludge conditioning is also known as chemical conditioning of sludge. At present, the sludge and the flocculant are generally mixed and flocculated in a stirring tank by a stirrer, or mixed and flocculated in a sludge conveying pipeline. For example, as shown in a sludge removal machine stirrer disclosed in Chinese patent application No. CN201720758724.1, the mixing pool has a sludge inlet and a sludge outlet, the sludge outlet is arranged at the top of the mixing pool, and the height of the sludge outlet is higher than that of the filter cloth of the thickening section; one end of the sludge guide plate in the length direction is connected with the sludge outlet, and the other end is connected with the filter cloth of the thickening section; the dosing pipe of the dosing device is communicated with the mixing pool, and the flocculant is added into the mixing pool; the small-sized stirrer is used for stirring the sludge and the flocculant in the mixing pool.

[0003] However, when the stirrer is used to stir the sludge and the flocculant in the mixing pool, due to the lack of a device for cleaning the inner wall of the mixing pool, the stirred sludge will adhere to the inner wall of the mixing pool, which will affect the mixing of the sludge and the flocculant, so that the sludge added into the mixing pool cannot be fully stirred and mixed. UTILITY MODEL CONTENT

[0004] To solve the problem of the lack of a device for cleaning the inner wall of the mixing pool, which will cause the stirred sludge to adhere to the inner wall of the mixing pool, affecting the mixing of the sludge and the flocculant, and thus the sludge added into the mixing pool cannot be fully stirred and mixed, the utility model provides the following technical scheme:

[0005] A sludge flocculation agitator, comprising a mixing cylinder for treating sludge, a stirring device arranged in the mixing cylinder for stirring the sludge in the mixing cylinder, and a scraping device arranged in the mixing cylinder for scraping the sludge on the inner wall of the mixing cylinder.

[0006] The stirring device comprises a driving assembly arranged in the mixing cylinder for rotation, a stirring assembly arranged in the driving assembly for stirring the sludge in the mixing cylinder, and two stirring assemblies.

[0007] The scraping device comprises a scraping assembly arranged in the mixing cylinder for scraping the sludge on the inner wall of the mixing cylinder, and an adjusting assembly arranged above the scraping assembly for driving the scraping assembly to rotate around the inner wall of the mixing cylinder.

[0008] Further, the driving assembly comprises a cover plate arranged at the top end of the mixing barrel for clamping the mixing barrel, a rotating shaft is arranged in the mixing barrel for rotation, and the rotating shaft penetrates through the cover plate, a speed reducer motor is fixedly installed at the top end of the rotating shaft for driving the rotating shaft to rotate, and a rack is fixedly installed at the top end of the cover plate for supporting the speed reducer motor.

[0009] Further, the stirring assembly comprises a disc fixedly installed on the rotating shaft, and stirring rods are fixedly installed at the left and right ends of the disc for stirring the sludge in the mixing barrel.

[0010] Further, the adjusting assembly comprises a fixed table fixedly installed at the bottom end of the cover plate, support frames are fixedly installed on the ring body of the fixed table, and the support frames are four, ring teeth are fixedly installed at the top end of the support frames for rotating the scraping assembly.

[0011] Further, the scraping assembly comprises a gear meshing with the ring teeth for rotation, a connecting rod two is fixedly installed at the bottom end of the gear, a connecting rod three is fixedly installed on the rod body of the connecting rod two, and a scraper is fixedly installed at the right end of the connecting rod three for scraping the sludge on the inner wall of the mixing barrel.

[0012] Further, a fixed rod for rotating the gear is movably connected at the top end of the gear, and a connecting rod one for connecting with the rotating shaft is fixedly installed on the rod body of the fixed rod.

[0013] Further, a first partition plate for isolating the scraping device is fixedly installed in the barrel cavity of the mixing barrel, and a second partition plate for cooperating with the first partition plate to isolate the scraping device is fixedly installed on the rod body of the rotating shaft.

[0014] Further, a sludge inlet pipe for adding sludge into the mixing barrel is arranged at the left end of the mixing barrel, a sludge outlet pipe for discharging the mixed sludge in the mixing barrel is arranged at the right end of the mixing barrel, and three supporting legs for supporting the mixing barrel are fixedly installed at the bottom end of the mixing barrel.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] Through the setting of the stirring device and the scraping device, when the sludge generated in the industry needs to be treated, the sludge and the flocculating agent can be sequentially added into the mixing cylinder through the sludge inlet pipe; then the rotating shaft is driven to rotate by the speed reducer motor, so that the stirring rod rotates synchronously, so that the flocculated sludge is in vortex state during stirring; so as to achieve that the sludge and the flocculating agent are fully mixed, and at the same time, the connecting rod can be rotated synchronously when the rotating shaft rotates, and under the meshing connection between the gear and the ring teeth, the gear rotates around the ring teeth, so as to drive the scraper to rotate around the inner wall of the mixing cylinder, so that the residual sludge on the inner wall of the mixing cylinder falls back into the mixing cylinder, and under the rotation of the stirring rod, the sludge and the flocculating agent are fully mixed and stirred. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a front view of the utility model;

[0019] Figure 3 It is a stirring device structure schematic view of the utility model;

[0020] Figure 4 It is a scraping device structure schematic view of the utility model;

[0021] Figure 5 It is a stirring device and scraping device cooperation view of the utility model.

[0022] In the drawings, the component names represented by each reference sign are listed as follows:

[0023] 100-mixing cylinder, 101-separator one, 102-separator two;

[0024] 200-stirring device, 210-driving assembly, 211-speed reducer motor, 212-machine frame, 213-rotating shaft, 214-cover plate, 220-stirring assembly, 221-disc, 222-stirring rod;

[0025] 300-scraping device, 310-adjusting assembly, 311-fixing table, 312-support frame, 313-ring teeth, 320-scraping assembly, 321-connecting rod one, 322-fixing rod, 323-gear, 324-connecting rod two, 325-connecting rod three, 326-scraping plate;

[0026] 001-sludge inlet pipe, 002-sludge outlet pipe, 003-supporting leg. DETAILED DESCRIPTION

[0027] The preferred specific embodiments for realizing the utility model are described in detail below, and clear and complete descriptions are made in combination with the drawings.

[0028] Please refer to Figures 1-5 The utility model provides a sludge flocculation stirrer.

[0029] Mixing cylinder 100 for treating sludge, mixing cylinder 100 is provided with stirring device 200 for stirring sludge in mixing cylinder 100, mixing cylinder 100 is provided with scraping device 300 for scraping sludge on the inner wall of mixing cylinder 100.

[0030] The left end of mixing cylinder 100 is provided with sludge inlet pipe 001 for adding sludge into mixing cylinder 100, so as to conveniently add sludge and flocculating agent into mixing cylinder 100 through sludge inlet pipe 001; the right end of mixing cylinder 100 is provided with sludge outlet pipe 002 for discharging mixed sludge in mixing cylinder 100, wherein sludge outlet pipe 002 is provided with a control switch, so that the mixed sludge can be discharged through sludge outlet pipe 002 after being fully mixed with flocculating agent; the bottom end of mixing cylinder 100 is fixedly installed with three supporting legs 003 for supporting mixing cylinder 100, and the three supporting legs 003 are circularly arrayed and welded at the bottom end of mixing cylinder 100.

[0031] The inner cavity of mixing cylinder 100 is fixedly installed with baffle plate one 101 for isolating scraping device 300, and the rod body of rotating shaft 213 is fixedly installed with baffle plate two 102 for cooperating with baffle plate one 101 to isolate scraping device 300, and there is a circular hole between baffle plate one 101 and baffle plate two 102, so as to facilitate scraping device 300 to scrape the inner wall of mixing cylinder 100.

[0032] Stirring device 200 includes driving assembly 210 arranged in mixing cylinder 100 for rotation, stirring assembly 220 arranged in driving assembly 210 for stirring sludge in mixing cylinder 100, and stirring assembly 220 has two, two stirring assemblies 220 are cross-shaped, and the angle between two stirring assemblies 220 is 90 degrees, so that the flocculated sludge can be in vortex shape when stirring.

[0033] Driving assembly 210 includes cover plate 214 arranged at the top end of mixing cylinder 100 for tightly covering mixing cylinder 100, so as to conveniently seal and tightly cover mixing cylinder 100 through cover plate 214; mixing cylinder 100 is provided with rotating shaft 213, and rotating shaft 213 penetrates cover plate 214, the top end of rotating shaft 213 is fixedly installed with speed reducer 211 for driving rotating shaft 213 to rotate, and speed reducer 211 is connected with the shaft body of rotating shaft 213 through a shaft coupling, and the top end of cover plate 214 is fixedly installed with rack 212 for supporting speed reducer 211.

[0034] The stirring assembly 220 comprises a disc 221 fixedly installed on the rotating shaft 213, and the disc 221 is fixed on the rotating shaft 213 by welding; the left and right ends of the disc 221 are fixedly installed with stirring rods 222 for stirring the sludge in the mixing cylinder 100; so that when the sludge generated in the industry needs to be treated, the sludge and the flocculating agent can be added into the mixing cylinder 100 through the sludge inlet pipe 001 in sequence; then the rotating shaft 213 is driven to rotate by the speed reducer motor 211, so that the stirring rods 222 rotate synchronously, so that the flocculated sludge forms vortex flow when stirring; so as to achieve the full mixing of the sludge and the flocculating agent.

[0035] The scraping device 300 comprises a scraping assembly 320 arranged in the mixing cylinder 100 for scraping the sludge on the inner wall of the mixing cylinder 100, and an adjusting assembly 310 arranged above the scraping assembly 320 for driving the scraping assembly 320 to rotate around the inner wall of the mixing cylinder 100.

[0036] The adjusting assembly 310 comprises a fixed table 311 fixedly installed at the bottom end of the cover plate 214, and the fixed table 311 is movably connected with the rotating shaft 213, so that the fixed table 311 does not rotate with the rotating shaft 213; the fixed table 311 is fixedly installed with support frames 312 on the ring body, and the four support frames 312 are arranged in a circular array on the table body of the fixed table 311, and the cross section of the support frame 312 is L-shaped; the top end of the support frame 312 is fixedly installed with ring teeth 313 for rotating the scraping assembly 320, and the ring teeth 313 are located directly above the partition plate one 101, so that the partition plate one 101 and the partition plate two 102 are used to block the sludge in the mixing cylinder 100 from affecting the rotation of the gear 323.

[0037] The scraping assembly 320 comprises a gear 323 engaged with the ring teeth 313 for rotation, and the gear 323 rotates around the inner teeth of the ring teeth 313; the bottom end of the gear 323 is fixedly installed with a connecting rod two 324, and the connecting rod two 324 rotates around the annular groove between the partition one 101 and the partition two 102; the rod body of the connecting rod two 324 is fixedly installed with a connecting rod three 325, the top end of the gear 323 is movably connected with a fixed rod 322 for rotation of the gear 323, and the bottom end of the fixed rod 322 is connected with the gear 323 through a bearing to facilitate rotation of the gear 323, the right end of the connecting rod three 325 is fixedly installed with a scraper 326 for scraping sludge on the inner wall of the mixing cylinder 100, and the rod body of the fixed rod 322 is fixedly installed with a connecting rod one 321 for connection with the rotating shaft 213; so that when the rotating shaft 213 rotates, the connecting rod 321 can be synchronously rotated, and under the engagement connection between the gear 323 and the ring teeth 313, the gear 323 rotates around the ring teeth 313, which can drive the scraper 326 to rotate around the inner wall of the mixing cylinder 100, so that the residual sludge on the inner wall of the mixing cylinder 100 can fall into the mixing cylinder 100 again, and under the rotation of the stirring rod 222, the sludge and the flocculating agent can be fully mixed and stirred.

[0038] Based on the above content and the drawings, those skilled in the art can understand and implement the present application. In addition, any non-creative modification of the present application made by those skilled in the art without creative labor still falls within the protection scope of the present application.

Claims

1. A sludge flocculation mixer comprising a mixing drum (100) for treating sludge, characterized in that: The mixing barrel (100) is provided with a stirring device (200) for stirring sludge in the mixing barrel (100), and the mixing barrel (100) is provided with a scraping device (300) for scraping sludge on the inner wall of the mixing barrel (100); The stirring device (200) comprises a driving assembly (210) arranged in the mixing barrel (100) for rotation, the driving assembly (210) is provided with a stirring assembly (220) for stirring sludge in the mixing barrel (100), and the stirring assembly (220) has two; The scraping device (300) comprises a scraping assembly (320) arranged in the mixing barrel (100) for scraping sludge on the inner wall of the mixing barrel (100), and the scraping assembly (320) is provided with an adjusting assembly (310) above for driving the scraping assembly (320) to rotate around the inner wall of the mixing barrel (100).

2. A sludge flocculating agitator according to claim 1, characterised in that: The driving assembly (210) comprises a cover plate (214) arranged at the top end of the mixing barrel (100) for tightly covering the mixing barrel (100), the mixing barrel (100) is provided with a rotating shaft (213) for rotation, the rotating shaft (213) penetrates through the cover plate (214), the top end of the rotating shaft (213) is fixedly installed with a speed reducer motor (211) for driving the rotating shaft (213) to rotate, and the top end of the cover plate (214) is fixedly installed with a rack (212) for supporting the speed reducer motor (211).

3. A sludge flocculating mixer according to claim 2, wherein: The stirring assembly (220) comprises a disc (221) fixedly installed on the rotating shaft (213), and the left and right ends of the disc (221) are fixedly installed with stirring rods (222) for stirring sludge in the mixing barrel (100).

4. A sludge flocculating mixer according to claim 3, wherein: The adjusting assembly (310) comprises a fixed table (311) fixedly installed at the bottom end of the cover plate (214), the ring body of the fixed table (311) is fixedly installed with support frames (312), the support frames (312) have four, and the top end of each support frame (312) is fixedly installed with a ring gear (313) for rotating the scraping assembly (320).

5. A sludge flocculating mixer according to claim 4, wherein: The scraping assembly (320) comprises a gear (323) engaged with the ring gear (313) for rotation, the bottom end of the gear (323) is fixedly installed with a connecting rod two (324), the rod body of the connecting rod two (324) is fixedly installed with a connecting rod three (325), and the right end of the connecting rod three (325) is fixedly installed with a scraper (326) for scraping sludge on the inner wall of the mixing barrel (100).

6. A sludge flocculating mixer according to claim 5, wherein: The top end of the gear (323) is movably connected with a fixed rod (322) for rotating the gear (323), and the rod body of the fixed rod (322) is fixedly installed with a connecting rod one (321) for connecting with the rotating shaft (213).

7. A sludge flocculating mixer according to claim 2, wherein: The barrel cavity of the mixing barrel (100) is fixedly installed with a first partition plate (101) for isolating the scraping device (300), and the rod body of the rotating shaft (213) is fixedly installed with a second partition plate (102) for cooperating with the first partition plate (101) to isolate the scraping device (300).

8. A sludge flocculating mixer according to claim 1, wherein: The left end of the mixing drum (100) is provided with a sludge inlet pipe (001) for adding sludge into the mixing drum (100), the right end of the mixing drum (100) is provided with a sludge outlet pipe (002) for discharging mixed sludge in the mixing drum (100), the bottom end of the mixing drum (100) is fixedly installed with supporting legs (003) for supporting the mixing drum (100), and the supporting legs (003) are three.

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